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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 895 · 40 sums
TalentJR

The trick (Gunita Samuccayah): Add the digits of a number; keep adding until one digit is left (a total of 9 stays 9). For a product, multiply the digital roots of the two numbers and take the digital root of that. If your answer’s digital root is different, the answer is wrong.

NameDateTime takenScore ___ / 40
  1. 1.Digital root of 29250 =
  2. 2.Digital root of 87772 =
  3. 3.Digital root of 73 × 96 =
  4. 4.Digital root of 57871 =
  5. 5.Digital root of 65634 =
  6. 6.Digital root of 4866 =
  7. 7.Digital root of 51 × 41 =
  8. 8.Digital root of 15559 =
  9. 9.Digital root of 14477 =
  10. 10.Digital root of 47 × 16 =
  11. 11.Digital root of 13999 =
  12. 12.Digital root of 74360 =
  13. 13.Digital root of 50 × 54 =
  14. 14.Digital root of 63 × 99 =
  15. 15.Digital root of 48387 =
  16. 16.Digital root of 23194 =
  17. 17.Digital root of 64 × 19 =
  18. 18.Digital root of 24 × 73 =
  19. 19.Digital root of 53 × 65 =
  20. 20.Digital root of 15706 =
  21. 21.Digital root of 97 × 44 =
  22. 22.Digital root of 7886 =
  23. 23.Digital root of 1750 =
  24. 24.Digital root of 56613 =
  25. 25.Digital root of 77758 =
  26. 26.Digital root of 88353 =
  27. 27.Digital root of 95 × 29 =
  28. 28.Digital root of 63390 =
  29. 29.Digital root of 93495 =
  30. 30.Digital root of 36282 =
  31. 31.Digital root of 59 × 99 =
  32. 32.Digital root of 54502 =
  33. 33.Digital root of 80765 =
  34. 34.Digital root of 79171 =
  35. 35.Digital root of 58 × 91 =
  36. 36.Digital root of 85091 =
  37. 37.Digital root of 91 × 62 =
  38. 38.Digital root of 62889 =
  39. 39.Digital root of 70 × 69 =
  40. 40.Digital root of 38 × 38 =

Answer key

  1. 9
  2. 4
  3. 6
  4. 1
  5. 6
  6. 6
  7. 3
  8. 7
  9. 5
  10. 5
  11. 4
  12. 2
  13. 9
  14. 9
  15. 3
  16. 1
  17. 1
  18. 6
  19. 7
  20. 1
  21. 2
  22. 2
  23. 4
  24. 3
  25. 7
  26. 9
  27. 1
  28. 3
  29. 3
  30. 3
  31. 9
  32. 7
  33. 8
  34. 7
  35. 4
  36. 5
  37. 8
  38. 6
  39. 6
  40. 4

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